Dictionary.com
definitions
  • synonyms

deteriorate

[dih-teer-ee-uh-reyt]
See more synonyms for deteriorate on Thesaurus.com
verb (used with or without object), de·te·ri·o·rat·ed, de·te·ri·o·rat·ing.
  1. to make or become worse or inferior in character, quality, value, etc.
  2. to disintegrate or wear away.
Show More

Origin of deteriorate

1565–75; < Late Latin dēteriōrātus made worse (past participle of dēteriōrāre), equivalent to Latin dēterior worse ( from + -ter- formative in adjectives of spatial orientation (cf. exterior, interior) + -ior comparative suffix) + -ātus -ate1
Related formsde·te·ri·o·ra·tive, adjectiveun·de·te·ri·o·rat·ed, adjectiveun·de·te·ri·o·rat·ing, adjectiveun·de·te·ri·o·ra·tive, adjective

Synonyms

See more synonyms for on Thesaurus.com
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

decline, sink, ebb, worsen, disintegrate, lessen, lower, crumble, undermine, regress, slide, degrade, fade, fail, languish, depreciate, weaken, retrogress, pervert, debilitate

Examples from the Web for deteriorating

Contemporary Examples

Historical Examples

  • She told herself that her three friends were deteriorating in their middle age.

  • He holds that the human race is deteriorating mentally and morally.

  • But it hasn't any of the deteriorating effect you were deprecating.

    The Convert

    Elizabeth Robins

  • But it must be said that at this time the factory was deteriorating.

    The Tapestry Book

    Helen Churchill Candee

  • The language has been moving since the first day of its formation; can it be said to be deteriorating?


British Dictionary definitions for deteriorating

deteriorate

verb
  1. to make or become worse or lower in quality, value, character, etc; depreciate
  2. (intr) to wear away or disintegrate
Show More
Derived Formsdeterioration, noundeteriorative, adjective

Word Origin

C16: from Late Latin dēteriōrāre, from Latin dēterior worse
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for deteriorating

deteriorate

v.

1640s (as a past participle adjective, 1570s), from Late Latin deterioratus, past participle of deteriorare "get worse, make worse," from Latin deterior "worse, lower, inferior, meaner," contrastive of *deter "bad, lower," from PIE *de-tero-, from demonstrative stem *de- (see de). Originally transitive in English; intransitive sense is from 1758. Related: Deteriorated; deteriorating.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

deteriorating in Medicine

deteriorate

(dĭ-tîrē-ə-rāt′)
v.
  1. To grow worse in function or condition.
  2. To weaken or disintegrate.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.